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02-12-2025 18:59

Malcolm  Greaves Malcolm Greaves

This pair of ascos 2.5cm across were on recently b

02-12-2025 19:25

Buckwheat Pete

Hello, can anyone identify this hairy fungus growi

02-12-2025 14:28

Mirek Gryc

527 / 5 000Hello everyoneThey grew on dead shoots

30-11-2025 12:53

Edvin Johannesen Edvin Johannesen

White short-stipitate apothecia found on thin twig

30-11-2025 10:47

William Slosse William Slosse

I recently found a collection of small Peziza sp.

27-11-2025 12:01

Thomas Læssøe

https://svampe.databasen.org/observations/10496727

27-11-2025 11:46

Thomas Læssøe

https://svampe.databasen.org/observations/10493918

17-09-2025 10:50

Heather Merrylees

Hi there!I am hoping for any advice on the identif

29-11-2025 08:40

Andreas Millinger Andreas Millinger

Hello,on a splintered part of a branch on the grou

28-11-2025 16:45

Nogueira Héctor

November 23, 2025 Requejo de Sanabria (León) SPAI

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Diaporthales on Castanea sativa
Mathias Hass, 03-08-2023 13:31
Mathias Hass
Hi,

On attached dead twig of Castanea sativa. Found july, Gyngemosen near Copenhagen Denmark. Olivebrown conidia, valiable shape, ellipsoide, almond shaped, ellongated and even curved, 23,8 (18,0-29,5) x 9,6(7,1-11,5) my, Q=2,6. Coated with a thin 1 my mucilaginous sheet. Looks to me Melanconis-like, but cannot find any match on this host. Any ideas?
  • message #76672
  • message #76672
  • message #76672
Chris Yeates, 05-08-2023 16:00
Chris Yeates
Re : Diaporthales on Castanea sativa
Hi Mathias

Spore dimensions a bit different (possibly originally due to working on dried material), but you could try https://www.biodiversitylibrary.org/page/32873578#page/1223/mode/1up

Best wishes, Chris
Mathias Hass, 05-08-2023 23:12
Mathias Hass
Re : Diaporthales on Castanea sativa
Thanks a lot Chris. That is at least a good start.